[Official] Activities Booking Site

[For hotel guests] Glassbottom Boat Cruise

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    【Notice】 From December 1, 2025 to May 31, 2026 Due to hotel-wide renovations, we will suspend sales at guest rates. Outside visitors will be permitted. If you wish to make a reservation during the above period, please book via the visitor menu. ◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇ A glass-bottom boat features a glass panel in the hull, allowing passengers to get an up-close look at tropical fish and the underwater world. It's perfect for anyone who finds snorkeling a bit challenging, young children, guests with physical disabilities, or anyone looking for an easy way to enjoy the underwater world. You can observe coral and colorful tropical fish not only on sunny days, but also on cloudy or rainy days. There are 6 departures per day, each lasting 30 minutes. 【Operating Period】Year-round 【Scheduled Times】9:00 AM/10:00 AM/11:00 AM/1:00 PM/2:00 PM/3:00 PM (Please arrive 15 minutes prior) 【Fees】Adults: ¥3,300 / Ages 4-12: ¥2,200 / Ages 3 and under: Free 【Payment Methods】Payment on site / Advance payment (Credit card) / Charge to room 【Meeting Place】Beach Counter, 1st Floor, Wellness & Spa, Hotel Grounds 【Notes】 【Online Reservations】Available from 60 days prior to the event date until 1 hour before the event time. ※Reservations close once capacity is reached. We recommend booking early. ※Reservations cannot be made by phone. 【Other】 ※Duration: 30 minutes ※The activity takes place in the sea in front of Sun Marina. ※After your reservation is confirmed, we require you to submit a passenger list in advance. ※Prices include consumption tax. ※Please note that the boat may rock on some days. If you are prone to seasickness, we recommend taking motion sickness medication beforehand. ※Operations may be canceled or departure times, capacity, age restrictions, etc., may change due to weather, sea conditions, or other circumstances. ※Menu contents, prices, etc., may change without prior notice. ※In severe weather, a decision to cancel or proceed will be made 30 minutes before departure. :For Visitors, please click here ⇩ https://sunmarina.book.ntmg.com/products/075c1311-0bc9-5f12-9389-40fa7d1ddb87?lng=en-US ◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇ 【Cancellation Policy】 ※For cancellations due to customer circumstances:  ・2 days prior to participation date, after 5:30 PM: 50%  ・1 day prior to participation date, after 5:30 PM: 100% ※Cancellation procedures must be completed by phone. (Beach Counter Hours: 8:30 AM - 5:30 PM)

    • Days of Week

      Sun,Mon,Tue,Wed,Thu,Fri,Sat

    • Duration

      0.5 hours

    • Adult (ages 13+)

      JPY 3,300

    • Child (ages 4-12)

      JPY 2,200

    • Infant (ages 3 & under)

      JPY 0

    Highlights

    • Highlight #1

      The underwater world can be enjoyed without going into the sea!

    • Highlight #2

      It can be enjoyed all year round, regardless of the season!

    • Highlight #3

      Everyone from small children to the elderly can feel free to participate.

    Outline

    • Schedule

    • Pickup / Checkin

      • 8:45

        Meet at the beach counter

        Sheraton Okinawa Sunmarina Resort Beach Counter

      • 8:50

        Reception / Boarding

        We will ask you to settle the bill and fill out the boarding list.

      • 9:00

        Departure

        The boat will depart from our hotel's marina.

      • Comfortable cruising with a view of the underwater world

        Please enjoy a 30-minute cruise.

      • 9:30

        Return to port / disbanding

        Dismissal at the marina after returning to port

    Plan Information

    • What's Included

      • Passage fee
      • Consumption tax
    • Additional Info

      • Reservations can be made two months in advance.
      • The tour may be cancelled or the sailing time, capacity, age limit, etc. may be changed due to weather, sea conditions, or other circumstances.
      • Please note that menu items and prices are subject to change without notice.
      • In case of inclement weather, the decision to go or cancel the tour will be made 30 minutes prior to departure.
      • If you have an invitation, coupon, or special offer, please choose on-site payment. The registration fee will be displayed on the application form, but you can use it as a special offer at the registration desk. Please bring the special offer to the beach counter on the day of the event.
      • Guests requiring assistance must be accompanied by an escort. The escort should provide care and assistance in the marina, when boarding, during the voyage, and when disembarking, as well as guidance and assistance in the event of an emergency.
    • Cancellation Policies

      0%

      2 days before to 17:30

      50%

      1 day before to 17:30

      After 17:30, 1 day before

      100%

      Participation Date

    Make a booking

    Participants

    Select Date and Time

    Nov 2025

    Sun

    Mon

    Tue

    Wed

    Thu

    Fri

    Sat

    : Instant

    ?

    Instant bookings will be confirmed automatically within seconds of submission

    : Request

    ?

    Request-only bookings require explicit confirmation from supplier

    Time

    • Adult (ages 13+)

      JPY 3,300

    • Child (ages 4-12)

      JPY 2,200

    • Infant (ages 3 & under)

      JPY 0